.positionDiv {
    position: relative;
}

.clearfix {
    zoom: 1;
}




.header {
    width: 1060px;
    padding: 0 20px;
    height: 80px;
    position: absolute;
    top: 0;
    left: 50%;
    margin-left: -550px;
}

@media only screen and (max-width: 639px) {
    .header {
        width: 100%;
        height: 40px;
        left: 0;
        bottom: 0;
        top: initial;
        z-index: 999;
        padding: 0;
        margin-left: 0;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .header {
        width: 100%;
        height: 40px;
        left: 0;
        bottom: 0;
        top: initial;
        z-index: 999;
        padding: 0;
        margin-left: 0;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .header {
        width: 100%;
        height: 40px;
        left: 0;
        bottom: 0;
        top: initial;
        z-index: 999;
        padding: 0;
        margin-left: 0;
    }
}



.header .cha1 {
    height: 80px;
    width: 180px;
    float: left;
}

@media only screen and (max-width: 639px) {

    .header .cha1,
    .header .tu {
        display: none;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {

    .header .cha1,
    .header .tu {
        display: none;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {

    .header .cha1,
    .header .tu {
        display: none;
    }
}


.header .cha1 img {
    display: block;
    margin: 27px auto;
}

.header .nav-list {
    width: 700px;
    height: 80px;
    float: left;
    line-height: 80px;
    text-align: center;
}

@media only screen and (max-width: 639px) {
    .header .nav-list {
        width: 100%;
        height: 40px;
        line-height: 40px;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .header .nav-list {
        width: 100%;
        height: 40px;
        line-height: 40px;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .header .nav-list {
        width: 100%;
        height: 40px;
        line-height: 40px;
    }
}


ul,
li {
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-list li {
    width: 33%;
    height: 80px;
    float: left;
}

@media only screen and (max-width: 639px) {
    .nav-list li {
        width: 33%;
        height: 40px;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .nav-list li {
        width: 33%;
        height: 40px;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .nav-list li {
        width: 33%;
        height: 40px;
    }
}


.nav-list li a {
    color: #fff;
    font-size: 18px;
    font-weight: 800;
}

.header .tu {
    height: 80px;
    width: 180px;
    float: right;
    margin-top: -70px;
}

@media only screen and (max-width: 639px) {

    .header .cha1,
    .header .tu {
        display: none;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {

    .header .cha1,
    .header .tu {
        display: none;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {

    .header .cha1,
    .header .tu {
        display: none;
    }
}


.tu-list {
    height: 80px;
    width: 150px;
    padding: 25px 0;
    padding-left: 30px;
    text-align: center;
}

ul,
li {
    margin: 0;
    padding: 0;
    list-style: none;
}

.tu-list li {
    float: left;
    width: 33.3%;
    height: 32px;
    position: relative;
}

.bg {
    width: 100%;

}


.bg img {
    width: 100%;
    min-width: 1100px;
}

@media only screen and (max-width: 639px) {
    .bg .pc {
        min-width: initial;
        position: relative;
        display: none;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg .pc {
        min-width: initial;
        position: relative;
        display: none;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg .pc {
        min-width: initial;
        position: relative;
        display: block;
    }
}


.m {
    display: none;
}

@media only screen and (max-width: 639px) {
    .bg .m {
        min-width: initial;
        position: relative;
        display: block;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg .m {
        min-width: initial;
        position: relative;
        display: block;
    }
}


.bg2 {
    height: 500px;
    width: 100%;
    /* 相对定位 */
    position: relative;
    margin-bottom: 20px;
    background-image: url(./img/ch1.png);
    background-repeat: no-repeat;
    background-position: bottom center;
    min-width: 1100px;
    margin-bottom: 160px;
    position: relative;
}

@media only screen and (max-width: 639px) {
    .bg2 {
        display: none;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg2 {
        display: none;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg2 {
        display: none;
    }
}

.a-text {
    width: 450px;
    height: 240px;
    padding-right: 50px;
    /* 居中 */
    margin: 0 auto;
    margin-top: 140px;
    animation-name: fadeIn;
}

.text1 {
    height: 30px;
    line-height: 30px;
    color: #aaa;
    font-size: 30px;
    letter-spacing: 2px;
    margin-bottom: 40px;
    text-align: center;

}

.txt_con {
    color: #747574;
    line-height: 30px;
    text-indent: 24px;
    font-size: 15px;
    text-align: center;
}

.ma {
    height: 170px;
    width: 100%;
    position: absolute;
    bottom: -140px;
    color: #737373;
    display: flex;
    justify-content: center;
}

.ma>.ma1 {
    width: 110px;
    height: 140px;
    float: left;
    text-align: center;
}

.ma>.ma1 img {
    width: 110px;
    height: 110px;
    display: block;
}

.ma>.ma1 p {
    font-size: 12px;
    text-indent: 12px;
}

.bg2-1 {
    width: 96%;
    display: none;
    padding: 30px 2%;
    font-size: 12px;
}

@media only screen and (max-width: 639px) {
    .bg2-1 {
        display: block;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg2-1 {
        display: block;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg2-1 {
        display: block;
    }
}

.bg2-1 h2 {
    font-size: 18px;
    margin-bottom: 20px
}

.text1 {
    height: 30px;
    line-height: 30px;
    color: #6c6d6c;
    font-size: 22px;
    letter-spacing: 2px;
    margin-bottom: 40px;
    text-align: center;
}

.bg2-1 p {
    font-size: 12px;
    text-indent: 12px;
}

.txt_con {
    color: #747574;
    line-height: 30px;
    text-indent: 24px;
    font-size: 14px;
    text-align: center;
}

.line {
    width: 100%;
    height: 1px;
    border-bottom: .5px solid #ccc;
    margin-top: 45px;
    margin-bottom: 20px;
    position: relative;
}

.line .btn {
    top: -14px;
    left: 50%;
    margin-left: -46px;
}

.a_btn {
    position: absolute;
    left: 50%;
    bottom: 94px;
    margin-left: -70px;
    background: #fff;
}

.btn {
    display: block;
    height: 26px;
    line-height: 26px;
    padding: 0 5px;
    width: 80px;
    color: #ccc;
    text-align: center;
    letter-spacing: 2px;
    border-radius: 20px;
    border: 1px solid #b0b0b0;
}

a {
    text-decoration: none;
}

.bg2-1 .ma {
    position: relative;
    bottom: 0;
    width: 100%;
    margin: 0;
    left: 0;
    margin-top: 40px;
    display: block;
}

.ma {
    height: 170px;
    width: 100%;
    position: absolute;
    bottom: -140px;
    color: #747574;
    display: flex;
    justify-content: center;
}

.bg2-1 .ma1 {
    margin: 0;
    width: 50%;
}

.ma .ma1 {
    width: 110px;
    height: 140px;
    float: left;
    text-align: center;
}

.ma1 {
    margin-right: 30px;
}

.ma1 {
    width: 100px;
    height: 130px;
    float: left;
    text-align: center;
}

.ma .ma1 img {
    width: 110px;
    height: 110px;
    display: block;
}

.bg2-1 img {
    display: block;
    margin: 0 auto;
}

.ma1 img {
    width: 100px;
    height: 100px;
    display: block;
}

.f_img {
    width: 100%;
    display: block;
}


.bg3 {
    background-color: #e7e7e7;
}

@media only screen and (max-width: 639px) {

    .bg3-1,
    .bg3 {
        height: 630px;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {

    .bg3-1,
    .bg3 {
        height: 630px;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {

    .bg3-1,
    .bg3 {
        height: 630px;
    }
}


.bg3 {
    width: 100%;
    height: 700px;
    overflow: hidden;
    min-width: 1100px;
    background-repeat: repeat-x;
    background-position: bottom;
    background-image: url(./img/bg_rep.png);
}

@media only screen and (max-width: 639px) {
    .bg3 {
        min-width: initial;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg3 {
        min-width: initial;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg3 {
        min-width: initial;
    }
}


.bg3-2 {
    width: 1100px;
    height: 700px;
    margin: 0 auto;
    position: relative;
}

@media only screen and (max-width: 639px) {
    .bg3-2 {
        width: 100%;
        height: 630px;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg3-2 {
        width: 100%;
        height: 630px;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg3-2 {
        width: 100%;
        height: 630px;
    }
}


.bg3-text {
    width: 370px;
    height: 200px;
    text-align: center;
    position: absolute;
}

.bg3 .bg3-text {
    left: 40px;
    top: 360px;
}

@media only screen and (max-width: 639px) {
    .bg3-2 .bg3-text {
        position: initial;
        padding-top: 20px;
        width: 96%;
        padding-left: 2%;
        padding-right: 2%;
        height: auto;
        margin-bottom: 20px;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg3-2 .bg3-text {
        position: initial;
        padding-top: 20px;
        width: 96%;
        padding-left: 2%;
        padding-right: 2%;
        height: auto;
        margin-bottom: 20px;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg3-2 .bg3-text {
        position: initial;
        padding-top: 20px;
        width: 96%;
        padding-left: 2%;
        padding-right: 2%;
        height: auto;
        margin-bottom: 20px;
    }
}


.bg3-text h2 {
    font-size: 18px;
    color: #6c6c;
    height: 30px;
    line-height: 30px;
    margin-bottom: 20px;
    /* letter-spacing  属性增加或减少字符间的空白(字符间距)。 */
    letter-spacing: 3px;
    font-weight: bold;
    padding: 20px 0;
    padding-bottom: 10px;
    text-align: center;
}

@media only screen and (max-width: 639px) {
    .bg3-text h2 {
        padding: 20px 0;
        padding-bottom: 10px;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg3-text h2 {
        padding: 20px 0;
        padding-bottom: 10px;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg3-text h2 {
        padding: 20px 0;
        padding-bottom: 10px;
    }
}

.bg3-text>p {
    color: #747574;
    line-height: 30px;
    font-size: 15px;
    text-align: center;
}

@media only screen and (max-width: 639px) {
    .bg3-text p {
        font-size: 12px;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg3-text p {
        font-size: 12px;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg3-text p {
        font-size: 12px;
    }
}


.bg3-img1 {
    width: 350px;
    height: 350px;
    position: absolute;
    bottom: 0;
    right: 180px;
    background-image: url(./img/pro_1.png);
}

@media only screen and (max-width: 639px) {
    .bg3-img1 {
        width: 60%;
        max-height: 300px;
        left: 20%;
        background-size: 100% 100%;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg3-img1 {
        width: 40%;
        max-height: 360px;
        left: 30%;
        background-size: 100% 100%;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg3-img1 {
        width: 34%;
        max-height: 360px;
        left: 33%;
        background-size: 100% 100%;
    }
}





.bg3-img2 {
    width: 768px;
    height: 291px;
    position: absolute;
    top: -170px;
    left: -180px;
    background-image: url(./img/pro_line.png);
}

@media only screen and (max-width: 639px) {
    .bg3-img2 {
        width: 110%;
        left: 10px;
        top: -60px;
        height: 100px;
        background-size: 100% 100%;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg3-img2 {
        display: none;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg3-img2 {
        display: none;
    }
}



.bg3-img3 {
    width: 129px;
    height: 129px;
    position: absolute;
    top: -120px;
    left: -350px;
    background-image: url(./img/pro_1_1.png);
}

@media only screen and (max-width: 639px) {
    .bg3-img3 {
        width: 65px;
        height: 65px;
        background-size: contain;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg3-img3 {
        display: none;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg3-img3 {
        display: none;
    }
}


.bg3-img4 {
    width: 76px;
    height: 71px;
    position: absolute;
    top: -220px;
    left: -75px;
    background-image: url(./img/pro_1_2.png);
}

@media only screen and (max-width: 639px) {
    .bg3-img4 {
        width: 55px;
        height: 50px;
        background-size: contain;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg3-img4 {
        display: none;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg3-img4 {
        display: none;
    }
}


.bg3-img5 {
    width: 98px;
    height: 108px;
    position: absolute;
    top: -40px;
    left: 580px;
    background-image: url(./img/pro_1_3.png);
}


@media only screen and (max-width: 639px) {
    .bg3-img5 {
        width: 60px;
        height: 55px;
        left: 110%;
        background-size: contain;
        background-repeat: no-repeat;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg3-img5 {
        display: none;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg3-img5 {
        display: none;
    }
}


.bg4 {
    height: 700px;
    width: 100%;
    overflow: hidden;
    min-width: 1100px;
    background-repeat: repeat-x;
    background-position: bottom;
    background-image: url(./img/bg_rep.png);
}

@media only screen and (max-width: 639px) {

    .bg4-1,
    .bg4 {
        height: 630px;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {

    .bg4-1,
    .bg4 {
        height: 630px;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {

    .bg4-1,
    .bg4 {
        height: 630px;
    }
}

.bg4-1 {
    background-color: #efe9df;
    background-image: none;
    background-image: url(./img/bg_rep2.png);
}


@media only screen and (max-width: 639px) {
    .bg4 {
        min-width: initial;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg4 {
        min-width: initial;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg4 {
        min-width: initial;
    }
}



.bg4-2 {
    width: 1100px;
    height: 700px;
    margin: 0 auto;
    position: relative;
}

@media only screen and (max-width: 639px) {
    .bg4-2 {
        width: 100%;
        height: 630px;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg4-2 {
        width: 100%;
        height: 630px;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg4-2 {
        width: 100%;
        height: 630px;
    }
}


.bg4-img1 {
    width: 445px;
    height: 621px;
    bottom: 0;
    left: 0;
    position: absolute;
    background-image: url(./img/pro3.png);
}

@media only screen and (max-width: 639px) {
    .bg4-1 .bg4-img1 {
        width: 70%;
        left: 15%;
        z-index: 999;
        max-height: 360px;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg4-1 .bg4-img1 {
        width: 40%;
        left: 30%;
        z-index: 999;
        max-height: 360px;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg4-1 .bg4-img1 {
        width: 34%;
        left: 33%;
        z-index: 999;
        max-height: 360px;
    }
}




@media only screen and (max-width: 639px) {
    .bg4-img1 {
        width: 60%;
        max-height: 300px;
        left: 20%;
        background-size: 100% 100%;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg4-img1 {
        width: 40%;
        max-height: 360px;
        left: 30%;
        background-size: 100% 100%;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg4-img1 {
        width: 34%;
        max-height: 360px;
        left: 33%;
        background-size: 100% 100%;
    }
}

.bg4-txt {
    top: 200px;
    left: 500px;
    width: 370px;
    height: 200px;
    text-align: center;
    position: absolute;
}

@media only screen and (max-width: 639px) {
    .bg4-2 .bg4-txt {
        position: initial;
        padding-top: 20px;
        width: 96%;
        padding-left: 2%;
        padding-right: 2%;
        height: auto;
        margin-bottom: 20px;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg4-2 .bg4-txt {
        position: initial;
        padding-top: 20px;
        width: 96%;
        padding-left: 2%;
        padding-right: 2%;
        height: auto;
        margin-bottom: 20px;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg4-2 .bg4-txt {
        position: initial;
        padding-top: 20px;
        width: 96%;
        padding-left: 2%;
        padding-right: 2%;
        height: auto;
        margin-bottom: 20px;
    }
}



.bg4-txt h3 {
    font-size: 18px;
    color: royalblue;
    height: 30px;
    line-height: 30px;
    margin-bottom: 20px;
    letter-spacing: 3px;
    font-weight: bold;
}

@media only screen and (max-width: 639px) {
    .bg4-txt h3 {
        padding: 20px 0;
        padding-bottom: 10px;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg4-txt h3 {
        padding: 20px 0;
        padding-bottom: 10px;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg4-txt h3 {
        padding: 20px 0;
        padding-bottom: 10px;
    }
}


.bg4-txt p {
    color: #747574;
    line-height: 26px;
    font-size: 14px;
    text-align: center;
}

@media only screen and (max-width: 639px) {
    .bg4-txt p {
        font-size: 12px;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg4-txt p {
        font-size: 12px;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg4-txt p {
        font-size: 12px;
    }
}


.bg4-1 .bg4-img3 {
    position: absolute;
    width: 686px;
    height: 443px;
    bottom: 0px;
    right: -320px;
    background-image: url(./img/pro_2.png);
}

@media only screen and (max-width: 639px) {
    .bg4-1 .bg4-img3 {
        display: none;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg4-1 .bg4-img3 {
        display: none;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg4-1 .bg4-img3 {
        display: none;
    }
}


.bg5 {
    width: 100%;
    height: 700px;
    overflow: hidden;
    min-width: 1100px;
    background-repeat: repeat-x;
    background-position: bottom;
    background-image: url(./img/bg_rep.png);
}

@media only screen and (max-width: 639px) {
    .bg5 {
        min-width: initial;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg5 {
        min-width: initial;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg5 {
        min-width: initial;
    }
}


.bg5-1 {
    background-color: #fff;
    background-image: none;
    background-image: url(./img/bg_rep2.png);
}

@media only screen and (max-width: 639px) {

    .bg5-1,
    .bg5 {
        height: 630px;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {

    .bg5-1,
    .bg5 {
        height: 630px;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {

    .bg5-1,
    .bg5 {
        height: 630px;
    }
}


.bg5-2 {
    width: 1100px;
    height: 700px;
    margin: 0 auto;
    position: relative;
}

@media only screen and (max-width: 639px) {
    .bg5-2 {
        width: 100%;
        height: 630px;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg5-2 {
        width: 100%;
        height: 630px;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg5-2 {
        width: 100%;
        height: 630px;
    }
}


.bg5-txt {
    width: 370px;
    height: 200px;
    text-align: center;
    position: absolute;
    top: 300px;
    left: 30px;
}

.bg5-1 .bg5-txt {
    top: 300px;
    left: 30px;
}



@media only screen and (max-width: 639px) {
    .bg5-2 .bg5-txt {
        position: initial;
        padding-top: 20px;
        width: 96%;
        padding-left: 2%;
        padding-right: 2%;
        height: auto;
        margin-bottom: 20px;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg5-2 .bg5-txt {
        position: initial;
        padding-top: 20px;
        width: 96%;
        padding-left: 2%;
        padding-right: 2%;
        height: auto;
        margin-bottom: 20px;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg5-2 .bg5-txt {
        position: initial;
        padding-top: 20px;
        width: 96%;
        padding-left: 2%;
        padding-right: 2%;
        height: auto;
        margin-bottom: 20px;
    }
}

.bg5-txt h3 {
    font-size: 20px;
    color: salmon;
    font-weight: bold;
    height: 30px;
    line-height: 30px;
    margin-bottom: 20px;
    letter-spacing: 3px;
}

@media only screen and (max-width: 639px) {
    .bg5-txt h3 {
        padding: 20px 0;
        padding-bottom: 10px;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg5-txt h3 {
        padding: 20px 0;
        padding-bottom: 10px;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg5-txt h3 {
        padding: 20px 0;
        padding-bottom: 10px;
    }
}



.bg5-txt p {
    color: #747574;
    line-height: 26px;
    font-size: 14px;
    text-align: center;
}


@media only screen and (max-width: 639px) {
    .bg4-txt p {
        font-size: 12px;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg4-txt p {
        font-size: 12px;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg4-txt p {
        font-size: 12px;
    }
}


.bg5-1 .bg5-img1 {
    width: 442px;
    height: 505px;
    bottom: 0;
    right: 50px;
    background-image: url(./img/pro4.png);
}

@media only screen and (max-width: 639px) {
    .bg5-1 .bg5-img1 {
        width: 70%;
        left: 15%;
        max-height: 340px;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg5-1 .bg5-img1 {
        width: 40%;
        left: 30%;
        max-height: 340px;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg5-1 .bg5-img1 {
        width: 34%;
        left: 33%;
        max-height: 340px;
    }
}


.bg5-img1 {
    width: 370px;
    height: 404px;
    position: absolute;
    bottom: 0;
    right: 180px;
    background-image: url(./img/pro_1.png);
}

@media only screen and (max-width: 639px) {
    .bg5-img1 {
        width: 60%;
        max-height: 300px;
        left: 20%;
        background-size: 100% 100%;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg5-img1 {
        width: 40%;
        max-height: 360px;
        left: 30%;
        background-size: 100% 100%;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg5-img1 {
        width: 34%;
        max-height: 360px;
        left: 33%;
        background-size: 100% 100%;
    }
}


.bg5-1 .bg5-img2 {
    width: 548px;
    height: 592px;
    position: absolute;
    bottom: 0;
    right: -8px;
    background-image: url(./img/\/fjx.png);
}

@media only screen and (max-width: 639px) {
    .bg5-1 .bg5-img2 {
        width: 90%;
        left: 6%;
        max-height: 380px;
        background-size: contain;
        background-repeat: no-repeat;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg5-1 .bg5-img2 {
        width: 50%;
        left: 25%;
        display: none;
        max-height: 360px;
        background-size: contain;
        background-repeat: no-repeat;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg5-1 .bg5-img2 {
        width: 50%;
        left: 25%;
        display: none;
        max-height: 360px;
        background-size: contain;
        background-repeat: no-repeat;
    }
}


.bg5-1 .bg5-img3 {
    width: 161px;
    height: 108px;
    position: absolute;
    right: -70px;
    top: 40px;
    background-image: url(./img/fj.png);
}

@media only screen and (max-width: 639px) {
    .bg5-1 .bg5-img3 {
        width: 110px;
        height: 80px;
        background-size: contain;
        background-repeat: no-repeat;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg5-1 .bg5-img3 {
        width: 110px;
        height: 80px;
        background-size: contain;
        background-repeat: no-repeat;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg5-1 .bg5-img3 {
        width: 110px;
        height: 80px;
        background-size: contain;
        background-repeat: no-repeat;
    }
}

.bg6 {
    width: 100%;
    height: 700px;
    overflow: hidden;
    min-width: 1100px;
    background-repeat: repeat-x;
    background-position: bottom;
    background-image: url(./img/bg6.png);
}

@media only screen and (max-width: 639px) {
    .bg6 {
        min-width: initial;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg6 {
        min-width: initial;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg6 {
        min-width: initial;
    }
}




.bg6-1 {
    background-color: #efe9df;
    background-image: url(./img/bg6-1.png);
}

@media only screen and (max-width: 639px) {

    .bg6-1,
    .bg6 {
        height: 630px;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {

    .bg6-1,
    .bg6 {
        height: 630px;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {

    .bg6-1,
    .bg6 {
        height: 630px;
    }
}



.bg6-box {
    width: 1100px;
    height: 700px;
    margin: 0 auto;
    position: relative;
}

@media only screen and (max-width: 639px) {
    .bg6-box {
        width: 100%;
        height: 630px;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg6-box {
        width: 100%;
        height: 630px;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg6-box {
        width: 100%;
        height: 630px;
    }
}


.bg6-txt {
    width: 370px;
    height: 200px;
    text-align: center;
    position: absolute;
}

@media only screen and (max-width: 639px) {
    .bg6-box .bg6-txt {
        position: initial;
        padding-top: 20px;
        width: 96%;
        padding-left: 2%;
        padding-right: 2%;
        height: auto;
        margin-bottom: 20px;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg6-box .bg6-txt {
        position: initial;
        padding-top: 20px;
        width: 96%;
        padding-left: 2%;
        padding-right: 2%;
        height: auto;
        margin-bottom: 20px;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg6-box .bg6-txt {
        position: initial;
        padding-top: 20px;
        width: 96%;
        padding-left: 2%;
        padding-right: 2%;
        height: auto;
        margin-bottom: 20px;
    }
}




.bg6-1 .bg6-txt {
    top: 300px;
    left: 50px;
}

.bg6-txt h2 {
    font-size: 20px;
    color: rgb(230, 117, 18);
    height: 30px;
    line-height: 30px;
    margin-bottom: 20px;
    letter-spacing: 3px;
    font-weight: bold;
}

@media only screen and (max-width: 639px) {
    .bg6-txt h2 {
        padding: 20px 0;
        padding-bottom: 10px;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg6-txt h2 {
        padding: 20px 0;
        padding-bottom: 10px;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg6-txt h2 {
        padding: 20px 0;
        padding-bottom: 10px;
    }
}



.bg6-txt p {
    color: #747574;
    line-height: 26px;
    font-size: 14px;
    text-align: center;
}

@media only screen and (max-width: 639px) {
    .bg6-txt p {
        font-size: 12px;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg6-txt p {
        font-size: 12px;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg6-txt p {
        font-size: 12px;
    }
}


.bg6-1 .bg6-img1 {
    width: 450px;
    height: 620px;
    bottom: 0;
    right: 40px;
    position: absolute;
    background-image: url(./img/bg6-2.png);
}

@media only screen and (max-width: 639px) {
    .bg6-1 .bg6-img1 {
        width: 60%;
        left: 20%;
        z-index: 9999;
        max-height: 320px;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg6-1 .bg6-img1 {
        width: 40%;
        left: 30%;
        z-index: 9999;
        max-height: 360px;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg6-1 .bg6-img1 {
        width: 34%;
        left: 33%;
        z-index: 9999;
        max-height: 360px;
    }
}

.bg6-img1 {
    width: 370px;
    height: 404px;
    position: absolute;
    bottom: 0;
    right: 180px;
    background-image: url(./img/pro_1.png);
}

@media only screen and (max-width: 639px) {
    .bg6-img1 {
        width: 60%;
        max-height: 300px;
        left: 20%;
        background-size: 100% 100%;
    }
}


@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg6-img1 {
        width: 40%;
        max-height: 360px;
        left: 30%;
        background-size: 100% 100%;
    }
}



@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg6-img1 {
        width: 34%;
        max-height: 360px;
        left: 33%;
        background-size: 100% 100%;
    }
}




.bg6-1 .bg6-img2 {
    position: absolute;
    width: 192px;
    height: 164px;
    bottom: 0px;
    right: 430px;
    background-repeat: no-repeat;
    background-image: url(./img/bg6-3.png);
}

@media only screen and (max-width: 639px) {
    .bg6-1 .bg6-img2 {
        width: 140px;
        height: 120px;
        left: -20px;
        background-size: contain;
        background-repeat: no-repeat;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg6-1 .bg6-img2 {
        width: 140px;
        height: 120px;
        right: 62%;
        background-size: contain;
        background-repeat: no-repeat;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg6-1 .bg6-img2 {
        width: 140px;
        height: 120px;
        right: 60%;
        background-size: contain;
        background-repeat: no-repeat;
    }
}


.bg6-1 .bg6-img3 {
    position: absolute;
    width: 157px;
    height: 289px;
    bottom: 0px;
    right: -36px;
    background-repeat: no-repeat;
    background-image: url(./img/bg6-4.png);
}

@media only screen and (max-width: 639px) {
    .bg6-1 .bg6-img3 {
        width: 140px;
        height: 200px;
        right: -20px;
        background-size: contain;
        background-repeat: no-repeat;
    }
}

@media only screen and (min-width: 640px) and (max-width: 767px) {
    .bg6-1 .bg6-img3 {
        width: 140px;
        height: 200px;
        right: 18%;
        background-size: contain;
        background-repeat: no-repeat;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .bg6-1 .bg6-img3 {
        width: 140px;
        height: 200px;
        right: 24%;
        background-size: contain;
        background-repeat: no-repeat;
    }
}